Finding the Fourth Proportional to 31,825.22, 47,721.50 and 16,840.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,825.22 : 47,721.50 = 16,840.42 : x
2. Step 2: Convert to fraction form
   31,825.22/47,721.50 = 16,840.42/x
3. Step 3: Cross multiply
   31,825.22x = 47,721.50 × 16,840.42
4. Step 4: Simplify right side
   31,825.22x = 803,650,103.03
5. Step 5: Solve for x
   x = 803,650,103.03/31,825.22
6. Step 6: Final answer
   x = 25,251.99